The First Civilization

The First Civilization is a group of highly intelligent beings that existed long before the events in the game both past and present. They created the Pieces of Eden and made several attempts at protecting the world from destruction. Such lengths were made that they even wound up sacrificing members of their own race in order to achieve a solution to this problem. The main problem they had was the time limit. The First Civilization realized that all their ideas they could not complete on their own so the idea was designed to start an idea and finish it by sending messages across a specific time line hidden in separate parts of time so that only one person would come across this information. They picked Desmond as that person and hid the information needed to access the Temple in the lives of Altair, Ezio, and Connor. Not much is known about what all the First Civilization is capable of but it is clear from what they left behind that most of there knowledge was lost throughout the course of history giving a bit of confusion as to what their intent truly is.

It is implied that the First Civilization had to stop their plans for saving the world because of Juno's interference with their ideas. Instead of trying to save the world she would tamper with the plans so it would lead to her ruling it. Spoiler - Click to see/hide